C, Balasubramanian, and Raja Sekar J. “An Improved Facial Image Retrieval Using Hybrid Cheetah Optimization Algorithm”. Bulletin of the Polish Academy of Sciences Technical Sciences 72, no. 2 (February 28, 2024): e148942. Accessed August 21, 2026. http://wydawnictwo.pan.pl/index.php/bpasts/article/view/3092.